Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Outer Core
2.
B.
Crust
3.
C.
Core
4.
D.
Convection
5.
E.
Inner Core
6.
F.
Dense
7.
G.
Asthenosphere
8.
H.
Lithosphere
9.
I.
Mantle